Paint removing implement



April 28, 1936. E. EIDSCHUN PAINT REMOVING IMPLEMENT Filed Dec. 18, 1934INVENTOR, Emil Z'zldschun,

ATTORNEY.

Patented Apr. 28, 1936 UNITED STATES PATENT OFFICE 2 Claims.

This invention relates to electric paint removers.

My principal object is to provide a paint remover of this class whichshall act to emit the maximum amount of heat for the given extent of theresistance or electric heating medium,

whereby the implement may be used without actual contact with the workand consequent fouling thereof with the removed paint, and which shallbe inexpensive and simple in construction and readily assembled and alsodisassembled as when repairs are necessary.

In the drawing, Fig. 1 is a sectional view of the improved paintremovertaken in a plane generally extending centrally and longitudinallythereof;

Fig. 2 is an underneath plane; Fig. 3 is a transverse section in a planesubstantially central of stem I3; Fig. 4 shows one of the insulatingcleats; and

Fig. 5 is a perspective view of the implement. The body of the implementincludes a housing formed by two sheet metal housing members I and 2each rectangular in plan and open at the bottom, member 2 being adaptedto be received and held as will appear in member I. The top or back wallof member I has its forward portion depressed, as at la, and then bentdownwardly to form the front depending wall lb, and de- 80 pending fromsaid top wall are the side walls lo and the rear wall Id, the walls lb,lc forming a depending space-encompassing rim on the top wall. The loweredge of wall lb is returned to form a seat le which faces oppositely tothe direction in which the member I opens and the lower edge of wall ldis returned outwardly, as at If, the returns la and If serving as restswhen the implement is placed when not in use on some supporting surface.The top or back wall of member 2 is flat, the material thereof beingbent down to form a front depending wall 2a, its depending side wallsand rear wall being indicated at 2b and 20 respectively the walls 2a, 2band 20 forming a depending space-encompassing rim on the top wall; allof these walls have their lower edge portions bent outwardly, as at 2d,as flanges in a horizontal plane. The area and depth of member 2 areappreciably less than those of member I so that when member 2 is withinmember 50 l as shown there is appreciable space between their top wallsand their said rims. Member 2 is held in member I by inserting itsforward end into the latter so that its flange 2d rests on the I Cseatle, whereupon screws 3 are entered through F holes in the top wall ofmember 2 and screwed into member I, as into nuts I which may be solderedto and thus form in effect portions of the latter. Occupying the spaceexisting between the two members is a mass of some heat-insulatingmaterial as asbestos 5.

At 6 are shown electric insulating anchorages or cleats in the form ofparallel transverse bars having each a series of parallel transversebores 6a open at one face of the cleat but so as to form them withslightly restricted mouths. The cleats are held in place against theunderneath face of the top wall of member 2 by bolts 1 having their nuts8 bearing against the top face of said wall. In these cleats is held theresistance 9 in the formof a grid composed of coiled metal wires whichare sprung into the bores or sockets 6a and there held due to therestricted form of their mouths. The bores or sockets are in the lowerface of each cleat whereby the resistance is spaced from the metal topwall of member 2, or as I otherwise term it, from the bottom of therecess which it forms. This spacing throughout is substantially uniformand 'the grid is substantially uniformly distributed throughout the areaof such bottom. The resistance and cleats are completely housed i therecess of member 2 so that they are in e ect sheathed.

At lll is shown a plate of insulation clamped to the under face of thetop wall of member 2 by the nuts ll of bolts l2. One end of each wire 9is clamped by one of the means ll--l2 and the other end of each suchwire by the other means ll--l2 with plate l0 intervening between suchends and the member 2. A metal tubular stem l3 having its lower endsecured to the top wall of member I by screws l4 and its upper end bentoif and equipped with a rubber grip l5 forms a handle through whichextend insulated wires l6 one of which is equipped with a snap-switchll, said wires having a fitting l8 for connection with any supply lineand reaching through an insulative guide IS in the top of member l andbeing respectively secured to the two clamping means ll--l2. For heatinsulating the handle from member I there may be a plate of mica orequivalent 20 intervening between them.

Member 2, which is the heat-reflecting medium, may be heat-insulatedfrom member I by strips of mica 2l clamped between the flanges 2d andthe free edges of .the side walls of shell I.

As indicated, the implement is intended especially to be used withlittle contact .with the work, wherefore it is designed to have themaximum heat-reflecting power. That is to say, instead of more or lessburying the resistance or placing it in contact with a heat diffusingmedium, such as the bottom of the recess of member I, I place saidresistance in spaced relation to said medium whereby not only is heatderived directly from said resistance but by reflection and at fullefficiency from the reflecting medium.

By forming each of bores 6a with a mouth which is open at the side ofthe bar remote from said medium and is of only slightly less width thanthe maximum diameter of the bore the bar does not appreciably obstructheat directly given ofl by the resistance; where, as in the example,there are several bars each penetrated several times by the resistancethis construction results in appreciable heat-economy.

The manner of connecting the two shell members (one comprising member 2and the contained resistance and insulatingmeans and the othercomprising the member I), to wit, by seating the received member as atle and securing it at a remote point, as by the means 3-4, is such as tofacilitate the assembling and also the disassembling if required.

By forming the top wall of shell member I depressed, as at In, theimplement is adapted to enter spaces not otherwise accessible,

A feature oi the invention is the fact that there are two box-like shellmembers both formed open in the same direction and arranged one withinthe other and spaced therefrom at substantially all points, and heatinsulating material substantialy completely filling the space betweenthem. Thus the inner shell member is useful to confine and reflect theheat more or less in a manner to focus or concentrate it on the work,making com tact oi the implement with the work unnecessary, while theouter shell member forms a supporting housing therefor which isheat-insulated therefrom by said material.

Having thus fully described my invention what 'I claim is:

for detachably connecting said members, or" an electric resistanceforming a heating medium supported in and by the second shell member.

2. An implement for the purpose described including two metal housingmembers secured toeether and each including a back wall formedsubstantially planiform and a space-encompass ins rim dependingtherefrom and one member being received in, and surrounded by the rimor, the other member and arranged with its bacl: wall and rim spacedsubstantially at all points from the baclt wall and rim, respectively,of the other member, heat-insulating material substantially completelyfilling the space between said back Walls and rims of said members,electric insulating means mounted within the received member, saidreceived member being open opposite its back wall, and an electricresistance forming a heating medium and carried by said electricinsuiating means.

EMIL EUJSCHUIQ.

